Dec 9, 2014 - In a small new trial, a form of treatment based on the body's immune system appears to be helping patients with Hodgkin's lymphoma for whom other treatments have failed. The study was published online Dec. 6 in the New England Journal of Medicine to coincide with its expected presentation on Saturday at the annual meeting of the American Society of Hematology, held from Dec. 6 to 9 in San Francisco.